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Burka [1]
3 years ago
13

1) Jodi liked to collect stamps. On 3 different days she bought 6 stomps. Then she

Mathematics
1 answer:
mr Goodwill [35]3 years ago
6 0

Answer:

4

Step-by-step explanation:

6-4+2*5=12

12/3

4

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Find the circumference and area of the circle having a given diameter of d = 13 cm
expeople1 [14]
Circumference of circle = pi*diameter = 13pi cm

Area is pi*d^2/4 = pi*13^2/4 = 42.25pi cm^2.
5 0
3 years ago
A certain group of test subjects had pulse rates with a mean of beats per minute and a standard deviation of beats per minute. U
Lisa [10]

Answer: is this it?

Step-by-step explanation:

5 0
1 year ago
What is the effect of adding 3 to the left side of the equation y = 2 x + b ?
Tatiana [17]

Answer:

There is a vertical change of 3 units down.

4 0
3 years ago
Jones has a 100-acre farm. he sells it to a developer who is going to build houses. the developer will use 10% of the land for s
Sholpan [36]
The first thing we must do is find the amount of land that will be used for the 120 lots.
 We must remember that 10% of the land will not be used for the lots.
 We have then:
 100 - (0.10) * (100) = 100 - 10 = 90 acres.

 Then, we must consider the following conversion of units:
 1 acre = 43560 ft ^ 2

 Applying the conversion we have:
 (90) * (43560) = 3920400 ft ^ 2

 Then, the amount of square feet for each lot is given by:
 3920400/120 = 32670 ft ^ 2

 Answer:
 
There will be 32670 square feet in each lot.
6 0
4 years ago
Consider the initial value problem y′′+36y=2cos(6t),y(0)=0,y′(0)=0. y″+36y=2cos⁡(6t),y(0)=0,y′(0)=0. Take the Laplace transform
Bingel [31]

Recall the Laplace transform of a second-order derivative,

L(y''(t)) = s^2Y(s)-sy(0)-y'(0)

and the transform of cosine,

L(\cos(at))=\dfrac s{a^2+s^2}

Here, both y(0)=y'(0)=0, so taking the transform of both sides of

y''(t)+36y(t)=2\cos(6t)

gives

s^2Y(s)+36Y(s)=\dfrac{2s}{36+s^2}

\implies Y(s)=\dfrac{2s}{(s^2+36)^2}

4 0
3 years ago
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